Agenda-Setting Dynamics in CanadaWhy do public issues like the environment rise and fall inimportance over time? To what extent can the trends in salience beexplained by real world factors? To what degree are they the product ofinteractions between media content, public opinion, and policymaking? This book surveys the development of eight issues in Canada over adecade AIDS, crime, the debt deficit, the environment, inflation,national unity, taxes, and unemployment to explore how the